./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe014_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe014_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09aaf4da9760e082dee1b84490861799ac10c7d3871bbdf2d8243e88d9e00b49 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:15:33,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:15:33,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:15:34,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:15:34,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:15:34,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:15:34,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:15:34,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:15:34,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:15:34,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:15:34,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:15:34,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:15:34,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:15:34,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:15:34,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:15:34,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:15:34,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:15:34,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:15:34,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:15:34,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:15:34,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:15:34,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:15:34,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:15:34,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:15:34,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:15:34,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:15:34,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:15:34,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:15:34,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:15:34,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:15:34,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:15:34,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:15:34,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:15:34,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:15:34,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:15:34,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:15:34,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:15:34,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:15:34,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:15:34,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:15:34,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:15:34,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 18:15:34,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:15:34,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:15:34,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:15:34,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:15:34,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:15:34,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:15:34,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:15:34,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:15:34,052 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:15:34,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:15:34,052 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:15:34,052 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:15:34,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:15:34,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:15:34,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:15:34,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:15:34,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:15:34,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:15:34,053 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 18:15:34,053 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:15:34,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:15:34,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:15:34,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:15:34,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:15:34,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:15:34,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:15:34,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:15:34,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:15:34,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:15:34,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:15:34,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:15:34,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:15:34,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:15:34,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:15:34,054 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:15:34,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:15:34,054 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:15:34,054 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09aaf4da9760e082dee1b84490861799ac10c7d3871bbdf2d8243e88d9e00b49 [2022-12-13 18:15:34,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:15:34,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:15:34,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:15:34,228 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:15:34,228 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:15:34,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/safe014_rmo.opt.i [2022-12-13 18:15:36,823 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:15:37,034 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:15:37,034 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/sv-benchmarks/c/pthread-wmm/safe014_rmo.opt.i [2022-12-13 18:15:37,045 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/data/1e1412d12/ef26c0652f0d4b7681b5cab2753858af/FLAG751cfeaf5 [2022-12-13 18:15:37,388 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/data/1e1412d12/ef26c0652f0d4b7681b5cab2753858af [2022-12-13 18:15:37,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:15:37,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:15:37,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:15:37,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:15:37,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:15:37,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cfa357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37, skipping insertion in model container [2022-12-13 18:15:37,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:15:37,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:15:37,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/sv-benchmarks/c/pthread-wmm/safe014_rmo.opt.i[992,1005] [2022-12-13 18:15:37,654 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,693 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,693 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,718 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:15:37,726 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:15:37,734 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/sv-benchmarks/c/pthread-wmm/safe014_rmo.opt.i[992,1005] [2022-12-13 18:15:37,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,761 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,761 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,761 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,766 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,775 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,775 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,775 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,778 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,778 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,778 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,781 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,781 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,781 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,783 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,784 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:15:37,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:15:37,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:15:37,811 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:15:37,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37 WrapperNode [2022-12-13 18:15:37,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:15:37,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:15:37,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:15:37,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:15:37,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,860 INFO L138 Inliner]: procedures = 176, calls = 82, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 792 [2022-12-13 18:15:37,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:15:37,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:15:37,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:15:37,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:15:37,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,906 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:15:37,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:15:37,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:15:37,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:15:37,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37" (1/1) ... [2022-12-13 18:15:37,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:15:37,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:15:37,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:15:37,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e716ec5d-16c0-4609-8ca9-29f9914ecf27/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:15:37,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:15:37,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:15:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 18:15:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:15:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:15:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:15:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 18:15:37,974 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 18:15:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 18:15:37,974 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 18:15:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 18:15:37,975 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 18:15:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:15:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 18:15:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:15:37,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:15:37,978 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 18:15:38,148 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:15:38,150 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:15:39,526 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:22:04,071 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:22:04,071 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:22:04,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:22:04 BoogieIcfgContainer [2022-12-13 18:22:04,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:22:04,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:22:04,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:22:04,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:22:04,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:15:37" (1/3) ... [2022-12-13 18:22:04,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6928058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:22:04, skipping insertion in model container [2022-12-13 18:22:04,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:15:37" (2/3) ... [2022-12-13 18:22:04,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6928058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:22:04, skipping insertion in model container [2022-12-13 18:22:04,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:22:04" (3/3) ... [2022-12-13 18:22:04,079 INFO L112 eAbstractionObserver]: Analyzing ICFG safe014_rmo.opt.i [2022-12-13 18:22:04,086 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 18:22:04,094 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:22:04,094 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 400 error locations. [2022-12-13 18:22:04,094 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 18:22:22,531 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 18:22:22,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 543 places, 535 transitions, 1085 flow [2022-12-13 18:23:15,029 INFO L130 PetriNetUnfolder]: 2/532 cut-off events. [2022-12-13 18:23:15,029 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:23:15,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 542 conditions, 532 events. 2/532 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 3709 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 474. Up to 2 conditions per place. [2022-12-13 18:23:15,037 INFO L82 GeneralOperation]: Start removeDead. Operand has 543 places, 535 transitions, 1085 flow [2022-12-13 18:23:15,054 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 540 places, 532 transitions, 1073 flow [2022-12-13 18:23:15,057 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 18:23:15,065 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 540 places, 532 transitions, 1073 flow [2022-12-13 18:23:15,067 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 540 places, 532 transitions, 1073 flow [2022-12-13 18:23:15,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 540 places, 532 transitions, 1073 flow [2022-12-13 18:24:04,679 INFO L130 PetriNetUnfolder]: 2/532 cut-off events. [2022-12-13 18:24:04,679 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:24:04,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 542 conditions, 532 events. 2/532 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 3715 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 474. Up to 2 conditions per place. [2022-12-13 18:24:04,708 INFO L119 LiptonReduction]: Number of co-enabled transitions 149572